Body System: Nervous System + EKG stuff + spontaneous

Specialized cells that carry electrical messages

• Myocytes
• Neurons
• Epithelial cells
• Glial cells

Type of neuron that carries sensory information to brain and spinal cord

• Ifferent neurons

• Interneurons
• Motor neurons
• Sensory neurons

Type of neuron that carries motor information to muscles and glands

• Ifferent neurons

• Interneurons
• Motor neurons
• Sensory neurons

Type of neuron that connects sensory and motor neurons

• Ifferent neurons

• Interneurons
• Afferent neurons

• Intraneurons

A neuron that is not conducting electrical signals; negative charge inside the cell

• Resting neuron

• Active neuron

• Neutral neuron

• Dynamic neuron

______ cause movement of ions across membrane and a difference in charge

• Stimuli

• Nucleic acids
• Reflex

• Proteins

Rapid change in membrane potential (charge) – action potential

• Moving impulse

• Resting neuron

• Threshold

Rapid change in membrane potential (charge)

• Action potential
• Membrane stabilization
• Action hyperpolarization

• Membrane depolarization

Amount of stimulus needed to activate the neuron

• Activation level
• Trigger point
• Stimulation point
• Threshold

Location where the message from a neuron is transferred to another cell

• Myelin sheath
• Synapse
• Axon
• Dendrite